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TLV320AIC28

更新时间： 2024-09-20 22:49:43
品牌 Logo 应用领域
德州仪器 - TI 解码器编解码器放大器
页数 文件大小 规格书
81页 782K
描述
STEREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS

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TLV320AIC28 数据手册

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www.ti.com  
SLAS418A − FEBRUARY 2004 − REVISED SEPTEMBER 2004  
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ꢀꢋ ꢌ ꢋ ꢍ ꢆ ꢎꢏ ꢇꢍ ꢈ ꢍꢏ ꢋꢈ ꢐ ꢇꢀꢑ ꢇ ꢒꢀ ꢋꢓ ꢌ ꢆꢀꢋ ꢏ ꢑ ꢋꢆ ꢏ ꢔꢑ ꢍ ꢒ ꢋ ꢆ ꢒ ꢏ  
ꢊꢔ ꢋꢆ ꢕ ꢋꢌ ꢆ ꢖ ꢔꢁꢇ ꢗꢇꢋ ꢌ ꢊ  
FEATURES  
APPLICATIONS  
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Personal Digital Assistants  
Cellular Smartphones  
Digital Still Cameras  
Digital Camcorders  
MP3 Players  
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Stereo Audio DAC and Mono Audio ADC  
Support Rates Up to 48 ksps  
High Quality 95-dB Stereo Audio Playback  
Performance  
MIC Preamp and Hardware Automatic Gain  
Control With Up to 59.5-dB Gain  
DESCRIPTION  
The TLV320AIC28 is a low-power, high-performance  
audio codec with 16/20/24/32-bit 95-dB stereo playback,  
mono record functionality at up to 48 ksps. Two  
microphone inputs include independent programmable  
bias voltages, built-in pre-amps, and hardware automatic  
gain control, with single-ended or fully-differential signal  
input capabilities.  
Stereo 16-ꢀ Headphone Amplifier With  
Capless Output Option  
400-mW 8-ꢀ Audio Power Amp With Direct  
Battery Supply Connection  
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32-ꢀ Differential Earpiece Driver  
The stereo 16-Ω headphone drivers on the AIC28 support  
capless as well as ac-coupled output configurations. An  
8-Ω BTL differential speaker driver provides up to 400 mW  
of power and 98-dB SNR, while a differential driver is also  
available for driving a 32-Ω speaker or telephone earpiece.  
A programmable digital audio effects processor enables  
bass, treble, midrange, or equalization playback  
processing. The digital audio data format is programmable  
to work with popular audio standard protocols (I2S, DSP,  
left/right justified) in master or slave mode, and also  
includes an on-chip programmable PLL for flexible clock  
generation capability. Highly configurable software power  
control is provided, enabling 48 ksps stereo audio  
playback to 16-Ω headphones at 19 mW with a 3.3-V  
analog supply level.  
Integrated PLL For Flexible Audio Clock  
Generation  
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Low Power 19-mW Stereo Audio Playback at  
48 ksps and 3.3-V Analog Supply level  
Programmable Digital Audio Bass/Treble/  
EQ/De-Emphasis  
Auto-Detection of Jack Insertion, Headset  
Type, and Button Press  
Direct Battery Measurement Accepts Up to  
6-V Input  
On-Chip Temperature and Auxiliary Input  
Measurement  
The AIC28 offers a 12-bit measurement ADC and internal  
reference voltage. It includes an on-chip temperature  
sensor capable of reading 0.3°C resolution, as well as a  
battery measurement input capable of reading battery  
voltages up to 6 V, while operating at an analog supply as  
low as 3 V. The AIC28 is available in a 48-lead 7 x 7 mm  
QFN package.  
Programmable Measurement Converter  
Resolution, Speed, Averaging, and Timing  
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SPIand I SSerial Interfaces  
Full Power-Down Control  
48-Pin QFN Package  
US Patent No. 624639  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments  
semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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SPI is a trademark of Motorola, Inc. I S is a trademark of Philips Corporation.  
ꢔꢌ ꢍ ꢏꢎ ꢈ ꢀ ꢇꢍ ꢒ ꢏ ꢆꢀꢆ ꢘꢙ ꢚꢛ ꢜꢝ ꢞꢟ ꢘꢛ ꢙ ꢘꢠ ꢡꢢ ꢜ ꢜ ꢣꢙꢟ ꢞꢠ ꢛ ꢚ ꢤ ꢢ ꢥꢦ ꢘꢡꢞꢟꢘꢛ ꢙ ꢧ ꢞꢟꢣꢨ ꢔꢜ ꢛ ꢧ ꢢꢡꢟ ꢠ  
ꢡꢛ ꢙꢚ ꢛꢜ ꢝ ꢟꢛ ꢠꢤ ꢣꢡꢘꢚ ꢘꢡꢞꢟ ꢘꢛ ꢙꢠ ꢤ ꢣꢜ ꢟꢩ ꢣ ꢟꢣꢜ ꢝ ꢠ ꢛ ꢚ ꢀꢣꢪꢞꢠ ꢇꢙ ꢠꢟꢜ ꢢ ꢝ ꢣꢙ ꢟꢠ ꢠꢟꢞꢙ ꢧ ꢞꢜ ꢧ ꢫ ꢞꢜ ꢜ ꢞꢙ ꢟꢬꢨ  
ꢔꢜ ꢛ ꢧꢢ ꢡꢟꢘ ꢛꢙ ꢤ ꢜꢛ ꢡꢣꢠꢠꢘ ꢙꢭ ꢧ ꢛꢣ ꢠ ꢙ ꢛ ꢟ ꢙ ꢣꢡꢣꢠꢠꢞꢜ ꢘꢦꢬ ꢘꢙ ꢡꢦꢢ ꢧ ꢣ ꢟꢣꢠꢟꢘ ꢙꢭ ꢛ ꢚ ꢞꢦꢦ ꢤ ꢞꢜ ꢞꢝ ꢣꢟꢣꢜ ꢠꢨ  
Copyright 2004, Texas Instruments Incorporated  
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TLV320AIC28 替代型号

型号 品牌 替代类型 描述 数据表
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